The basic knowledge you must know of cross roller bearing

1.what is cross roller bearing

Cross roller bearing is a type of bearing that consists of cylindrical rollers arranged in a crisscross pattern between two bearing rings. The rollers are held in place by a cage or separator and are oriented perpendicular to each other, which allows for high radial, axial, and moment load capacity.

Cross roller bearings are commonly used in applications that require high precision and stiffness, such as machine tools, robots, and medical equipment. They are also used in applications where space is limited and a compact design is required.

Cross roller bearings have several advantages over other types of bearings, including high rotational accuracy, low friction, and high rigidity. However, they are more expensive than other types of bearings and require careful handling and installation to prevent damage to the rollers or bearing rings.

2.How many types of cross roller bearings are there?

1.Crossed cylindrical roller bearings: These bearings have cylindrical rollers that are arranged in a cross pattern, with each roller perpendicular to the adjacent rollers. This design allows the bearing to handle both radial and axial loads.

2.Crossed tapered roller bearings: These bearings have tapered rollers that are arranged in a cross pattern, with each roller perpendicular to the adjacent rollers. This design allows the bearing to handle both radial and axial loads, and provides high stiffness and accuracy in applications where precise positioning is required.

Crossed roller bearings are commonly used in various applications, such as robotics, machine tools, medical equipment, and semiconductor manufacturing equipment. They offer high accuracy, rigidity, and load capacity, and are ideal for applications with limited space and high requirements for precision and reliability.

3.How do cross roller bearings work

Cross roller bearings work by using a crossed arrangement of cylindrical or tapered rollers that are held in position by a cage or separator. The rollers are placed at right angles to each other, which allows them to handle both radial and axial loads simultaneously.

When a load is applied to the bearing, the rollers rotate and roll between the two raceways. Because of the crossed arrangement of the rollers, the bearing can handle both radial and axial loads, and provides high stiffness and accuracy in applications where precise positioning is required.

The cage or separator that holds the rollers in place is typically made of a lightweight material, such as plastic or brass, which reduces friction and wear, and helps to maintain the precise spacing between the rollers.

Overall, cross roller bearings offer high accuracy, rigidity, and load capacity, and are ideal for applications where precise positioning is required in limited space.

Luoyang E-find Precision Bearing specializes in the production of high-precision, high-rigidity, heavy-load crossed roller bearings, rotary table bearings, harmonic bearings and customized bearings for 17 years. We have ISO, SGS certification, and professionally replaces IKO THK INA SKF and other foreign imported brands.

Our bearings are exported to more than 50 countries, such as the United States, Europe, South Korea, Japan, etc., and enjoy high reputation at home and abroad.

Over the past ten years development, our company has a very professional technical team and rich processing experience.We not only provide customers with high-quality products, but also perfect after-sales service.

To choose us is to choose high quality, choose rest assured!

Please feel free to contact us if you have any requirements.